DEFIANCE CITY
PWSID: OH2000111 · Defiance, OH · Serves 16,494 people
According to EPA Safe Drinking Water Information System (SDWIS), DEFIANCE CITY (PWSID OH2000111) in Defiance, OH is listed as a CWS water system covering about 16,494 people. The same extract lists 27 health-based violation records spanning 2017-2022. Those 27 health-based rows for DEFIANCE CITY cover contaminants such as TTHM, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
DEFIANCE CITY has 27 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including TTHM, Lead and Copper Rule. Recorded violations span 2017–2022. Day-to-day primacy enforcement for this system runs through the Ohio drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Ohio state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OH2000111
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Defiance, OH
- Population Served
- 16,494
- Health Violations
- Yes (27)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 25 | 25 |
| Lead and Copper Rule | 2 | 2 |
Violation History (27)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| Lead and Copper Rule | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| Lead and Copper Rule | Yes | Jan 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for DEFIANCE CITY?
How many people does DEFIANCE CITY serve?
What violations does DEFIANCE CITY have?
What contaminants have been found in DEFIANCE CITY water?
Compare beyond Ohio
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest DEFIANCE CITY on cumulative violation count (27) and EPA-reported population served (16,494). Violation-count peers include COVE WATERWORKS, OLA WATERWORKS, GREEN HILL-BROOKS CHAPEL WATER. Population peers include COUNTRY CLUB HILLS, CITY OF HIGHLAND VILLAGE, OPA LOCKA, CITY OF.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
DEFIANCE CITY (OH2000111) is drawn from EPA SDWIS. Nearby county systems in this extract include HICKSVILLE VILLAGE; AYERSVILLE WATER AND SEWER DISTRICT; NEY VILLAGE; SHERWOOD VILLAGE. Health-based rows (27 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.